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Finding the Fourth Proportional to 216,519, 324,740.16 and 58,759.72

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Solution

The fourth proportional to 216,519, 324,740.16 and 58,759.72 is: 88,129.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,519 : 324,740.16 = 58,759.72 : x
  2. Step 2: Convert to fraction form
    216,519/324,740.16 = 58,759.72/x
  3. Step 3: Cross multiply
    216,519x = 324,740.16 × 58,759.72
  4. Step 4: Simplify right side
    216,519x = 19,081,640,874.36
  5. Step 5: Solve for x
    x = 19,081,640,874.36/216,519
  6. Step 6: Final answer
    x = 88,129.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.